Remember: Backup your system before attempting any patch. And if all else fails, consider that the subscription model, despite its recurring cost, offers seamless language switching and modern features. But for the purists and the budget-conscious, a well-executed French patch remains the ultimate "exclusive" prize.
in the Creative Cloud desktop app settings and reinstalling the software, though this is often not possible for standalone CS6 "Legacy" licenses. Key Features of Illustrator CS6